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Old 11-19-2008, 01:48 AM   #1
richardholdener
 
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Can someone let the guys from NST know they did a good job on the u-pulleys and they will be featured in my upcoming book on B-segment performance. It is always nice to test a product that works well.
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Old 11-19-2008, 12:39 PM   #2
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Quote:
Originally Posted by richardholdener View Post
Can someone let the guys from NST know they did a good job on the u-pulleys and they will be featured in my upcoming book on B-segment performance. It is always nice to test a product that works well.
Mike from NST is on the forum quite often he sure will see this post and chime in.

You should check the other products offered by NSt for the Yaris. Their short shift kit is an inexpensive and yet amazing little mod. Just a little piece of aluminum that it takes 2 minutes to install and it manages to completly change the feel of the gears.

Oh, and they are currently working on a 10% under drive crank pulley for the xD as well.
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Old 11-20-2008, 04:55 PM   #3
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Quote:
Originally Posted by richardholdener View Post
Can someone let the guys from NST know they did a good job on the u-pulleys and they will be featured in my upcoming book on B-segment performance. It is always nice to test a product that works well.

Thank you sir!!! We certainly do appreciate it


As I have said from day one... the gains are there, they are noticeable, and they can be seen accross the entire RPM band. Our own testing has shown this time and time again, and now Richard's testing proves this as well.

Thanks again Mr. Holdener, feel free to look me up if we can be of any assistance for your future projects.

Stay tuned everyone
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Old 11-20-2008, 08:24 PM   #4
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Stay tuned everyone
I love when they writes that phrase!
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Old 11-20-2008, 08:41 PM   #5
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I love when they writes that phrase!

Stay tuned RagnaCat
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Old 11-20-2008, 09:05 PM   #6
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Stay tuned RagnaCat
hey Mike,

Do you know that Richard also has a Scion xD and is doing extensive research and testing on that platform...?

I'm sure he will also love a pulley set for that car... !

You know I will....!

J/K not really.

But on a serious note... any updates on the pulleys for the 1.8?
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Old 11-19-2008, 01:50 AM   #7
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Richard, we have a saying here that is quite appropriate... NST FTW
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Old 11-21-2008, 07:17 PM   #8
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Richard,
is there a time frame of when we can expect this B segment book to be out? I jts flipped through one of yours at the library the other day "How to build Honda horsepower" it was very well done IMO
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Old 11-22-2008, 03:41 AM   #9
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The B-segment book will follow the same format-I just finished another B-series Honda book it wll be out before the B-segment book. I will be looking for some data from a few formum members to include in the book. I'll post what info I will need shortly.

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Richard,
is there a time frame of when we can expect this B segment book to be out? I jts flipped through one of yours at the library the other day "How to build Honda horsepower" it was very well done IMO
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Old 11-22-2008, 03:50 AM   #10
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Richard,

Normally, such public exhibitions of speed would be frowned upon but when it's done in the name of "technical research", we're all ears.
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Old 12-12-2008, 06:12 PM   #11
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richard, any chance you have a dyno sheet for the pulley (shown in post #1) showing the torque curve as well?
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Old 12-12-2008, 06:25 PM   #12
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richard, any chance you have a dyno sheet for the pulley (shown in post #1) showing the torque curve as well?
Due to the weight reduction and underdriving, the torque curve will show similar gains at all RPM
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Old 12-12-2008, 10:11 PM   #13
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Due to the weight reduction and underdriving, the torque curve will show similar gains at all RPM
well, lightweight pulleys wont show anything on a dyno vs rpms....but im still curious to see the tq curve w/ the underdrive pulley...
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Old 12-13-2008, 12:40 AM   #14
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Like I said... Due to the weight reduction and underdriving, the torque curve will show similar gains at all RPM
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Old 12-13-2008, 01:40 AM   #15
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What was the stock WHP of this car? Is this on stock tune? How was MPG effected?
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Old 12-13-2008, 08:26 AM   #16
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Originally Posted by NonStopTuning View Post
Like I said... Due to the weight reduction and underdriving, the torque curve will show similar gains at all RPM
lol, you're no fun. i just was wondering if richard could conger up a dyno showing it...i realize itd pretty much do to the tq curve what it did to the hp curve....3hp everywhere

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What was the stock WHP of this car? Is this on stock tune? How was MPG effected?
check of of richards other threads to find the answers...

but he's running intake, xD throttle body, a new prototype intake manifold, long tube header, and custom exhaust to get the 120 and 123 with the underdrive pulley (and yes, nst, the water and alternator pulleys too)

id imagine mileage with JUST the underdrive pulley (and/or other pulleys) would increase (which is to say: it would use less gas) as long as other items remain the same (including how you drive)
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Old 12-13-2008, 03:58 PM   #17
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Here is the graph again with torque added. Since HP & TQ are mathematically related, any time there is a change in HP there has to be a coresponding change in torque. Below 5252 rpm, a change in hp will result in a greater change in tq (the lower the rpm-the greater the difference). Above 5252 rpm, a change in hp with result in a smaller change in Tq. BTW-A dyno vs rpm will show gains offered by u-pulleys-here is a perfect example. Also, gains from u-pulleys typically increase with engine speed. Hope this helps.

Quote:
Originally Posted by thebarber View Post
lol, you're no fun. i just was wondering if richard could conger up a dyno showing it...i realize itd pretty much do to the tq curve what it did to the hp curve....3hp everywhere


check of of richards other threads to find the answers...

but he's running intake, xD throttle body, a new prototype intake manifold, long tube header, and custom exhaust to get the 120 and 123 with the underdrive pulley (and yes, nst, the water and alternator pulleys too)

id imagine mileage with JUST the underdrive pulley (and/or other pulleys) would increase (which is to say: it would use less gas) as long as other items remain the same (including how you drive)
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Old 12-13-2008, 04:10 PM   #18
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Nice!!!
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